actually add source code of module-default-device-restore

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1761 fefdeb5f-60dc-0310-8127-8f9354f1896f

diff --git a/src/modules/module-default-device-restore.c b/src/modules/module-default-device-restore.c
new file mode 100644 (file)
index 0000000..71e19e6
--- /dev/null
+++ b/src/modules/module-default-device-restore.c
@@ -0,0 +1,103 @@
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2006 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pulsecore/core-util.h>
+#include <pulsecore/module.h>
+#include <pulsecore/log.h>
+#include <pulsecore/namereg.h>
+
+#include "module-default-device-restore-symdef.h"
+
+PA_MODULE_AUTHOR("Lennart Poettering")
+PA_MODULE_DESCRIPTION("Automatically restore the default sink and source")
+PA_MODULE_VERSION(PACKAGE_VERSION)
+
+#define DEFAULT_SINK_FILE "default-sink"
+#define DEFAULT_SOURCE_FILE "default-source"
+
+int pa__init(pa_module *m) {
+    FILE *f;
+
+    /* We never overwrite manually configured settings */
+    
+    if (m->core->default_sink_name)
+        pa_log_info("Manually configured default sink, not overwriting.");
+    else if ((f = pa_open_config_file(NULL, DEFAULT_SINK_FILE, NULL, NULL, "r"))) {
+        char ln[256] = "";
+        
+        fgets(ln, sizeof(ln)-1, f);
+        pa_strip_nl(ln);
+        fclose(f);
+        
+        if (!ln[0])
+            pa_log_debug("No previous default sink setting, ignoring.");
+        else if (pa_namereg_get(m->core, ln, PA_NAMEREG_SINK, 1)) {
+            pa_namereg_set_default(m->core, ln, PA_NAMEREG_SINK);
+            pa_log_debug("Restored default sink '%s'.", ln);
+        } else
+            pa_log_info("Saved default sink '%s' not existant, not restoring default sink setting.", ln);
+    }
+    
+    if (m->core->default_source_name)
+        pa_log_info("Manually configured default source, not overwriting.");
+    else if ((f = pa_open_config_file(NULL, DEFAULT_SOURCE_FILE, NULL, NULL, "r"))) {
+        char ln[256] = "";
+        
+        fgets(ln, sizeof(ln)-1, f);
+        pa_strip_nl(ln);
+        fclose(f);
+
+        if (!ln[0])
+            pa_log_debug("No previous default source setting, ignoring.");
+        else if (pa_namereg_get(m->core, ln, PA_NAMEREG_SOURCE, 1)) {
+            pa_namereg_set_default(m->core, ln, PA_NAMEREG_SOURCE);
+            pa_log_debug("Restored default source '%s'.", ln);
+        } else
+            pa_log_info("Saved default source '%s' not existant, not restoring default source setting.", ln);
+    }
+
+    return 0;
+}
+
+void pa__done(pa_module*m) {
+    FILE *f;
+
+    if ((f = pa_open_config_file(NULL, DEFAULT_SINK_FILE, NULL, NULL, "w"))) {
+        const char *n = pa_namereg_get_default_sink_name(m->core);
+        fprintf(f, "%s\n", n ? n : "");
+        fclose(f);
+    }    
+
+    if ((f = pa_open_config_file(NULL, DEFAULT_SOURCE_FILE, NULL, NULL, "w"))) {
+        const char *n = pa_namereg_get_default_source_name(m->core);
+        fprintf(f, "%s\n", n ? n : "");
+        fclose(f);
+    }    
+}
+
+
+